amolsr commented on code in PR #31206:
URL: https://github.com/apache/airflow/pull/31206#discussion_r1191920099
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airflow/providers/amazon/aws/transfers/sql_to_s3.py:
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@@ -148,9 +148,13 @@ def _fix_dtypes(df: DataFrame, file_format: FILE_FORMAT)
-> None:
for col in df:
if df[col].dtype.name == "object" and file_format == "parquet":
- # if the type wasn't identified or converted, change it to a
string so if can still be
- # processed.
- df[col] = df[col].astype(str)
+ # if the type wasn't identified or converted, try parsing it
to datetime
+ try:
+ df[col] = pd.to_datetime(df[col])
Review Comment:
None values can be parsed to strings, but when encountered in the datetime
column, it will make the data invalid and not parseable in the following tasks.
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